Home / 442,805,373.56-664,210,543.31-147,699,683.20

Finding the Fourth Proportional to 442,805,373.56, 664,210,543.31 and 147,699,683.20

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Solution

The fourth proportional to 442,805,373.56, 664,210,543.31 and 147,699,683.20 is: 221,550,353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,805,373.56 : 664,210,543.31 = 147,699,683.20 : x
  2. Step 2: Convert to fraction form
    442,805,373.56/664,210,543.31 = 147,699,683.20/x
  3. Step 3: Cross multiply
    442,805,373.56x = 664,210,543.31 × 147,699,683.20
  4. Step 4: Simplify right side
    442,805,373.56x = 98,103,686,828,330,496
  5. Step 5: Solve for x
    x = 98,103,686,828,330,496/442,805,373.56
  6. Step 6: Final answer
    x = 221,550,353.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.